2116706 has 4 divisors (see below), whose sum is σ = 3175062. Its totient is φ = 1058352.

The previous prime is 2116693. The next prime is 2116717. The reversal of 2116706 is 6076112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1713481 + 403225 = 1309^2 + 635^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529175 + ... + 529178.

2^2116706 is an apocalyptic number.

2116706 is a deficient number, since it is larger than the sum of its proper divisors (1058356).

2116706 is a wasteful number, since it uses less digits than its factorization.

2116706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058355.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2116706 is about 1454.8903738770. The cubic root of 2116706 is about 128.3965970572.

The spelling of 2116706 in words is "two million, one hundred sixteen thousand, seven hundred six".